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全單滿 HKD$1000 即享本地免運費優惠!!

Addy Law's Online Store

全單滿 HKD$1000 即享本地免運費優惠!!

Addy Law's Online Store

全單滿 HKD$1000 即享本地免運費優惠!!

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SHIMANO Rear Derailleur: RD-R7150 Di2 electronic shifting,

SHIMANO Rear Derailleur: RD-R7150 Di2 electronic shifting,

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這是 Shimano 105 Di2 12速電子變速系統的核心組件。
核心功能與整合設計
  • 無線訊號中心：它不只是變速器，更是整台車的藍牙/ANT+中央發射器，直接與車錶或手機 App (E-TUBE PROJECT) 連線。
  • 系統充電埠：全車唯一的充電孔就設在波腳後方，使用專用充電線（EW-EC300）即可同時為前/後變、中央電池充電。
  • 功能按鈕與LED：配有實體按鈕與指示燈，用於檢查電量、切換變速模式（如同步變速）以及進行藍牙配對。
規格與相容性
  • 12速專用：僅支援 Shimano 12速公路車電子變速系統。
  • 最大齒比支援：採用單一長腿（Sprocket）規格，支援最大 34T 或 36T 的飛輪，爬坡性能非常強悍。
  • Shadow RD 技術：採用低profile內縮設計，能有效減少碰撞風險，讓變速更穩定。
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